IC 74LS85 4-bit Magnitude Comparator


48 in stock

SKU: COM-IC-0016 Category: Tags: , ,

Product Description

These 4-bit magnitude comparators perform comparison ofstraight binary or BCD codes. Three fully-decoded decisions about two, 4-bit words (A, B) are made and are externally available at three outputs. These devices are fully expandable to any number of bits without external gates. Words of greater length may be compared by connecting compara-tors in cascade. The A l B, A k B, and A e B outputs of a stage handling less-significant bits are connected to the corresponding inputs of the next stage handling more-significant bits. The stage handling the least-significant bits must have a high-level voltage applied to the A e B input. The cascading path is implemented with only a two-gate-leveldelay to reduce overall comparison times for long words.                                                 -Typical power dissipation 52 mW
-Typical delay (4-bit words) 24 ns
-Alternate Military/Aerospace device (54LS85) is available. Contact a National Semiconductor Sales                         -Office/Distributor for specifications.


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